You're dealing with a Lennox XP25 heat pump displaying Error Code 459, indicating a phase loss detection. This error can be caused by faulty electrical connections or three-phase power supply issues. … [Read more...]
Lennox XP25 Heat Pump Error Code 458: Outdoor Control Board Failure Detected
You're dealing with a Lennox heat pump model XP25 that's displaying error code 458, indicating an outdoor control board failure. This critical issue requires prompt professional attention to resolve. … [Read more...]
Lennox XP25 Heat Pump Error Code 456: Reversing Valve Fault Detected in Heat Mode
You're dealing with a Lennox Heat Pump Model XP25 displaying Error Code 456, indicating a reversing valve fault in heat mode. This issue can occur due to faulty solenoids or stuck valves. You'll need … [Read more...]
Lennox XP25 Heat Pump Error Code 457: Reversing Valve Fault Detected in Cool Mode
You're dealing with a Lennox Heat Pump Model XP25 displaying Error Code 457, indicating a reversing valve fault in cool mode. You'll need to troubleshoot the valve's operation, checking for stuckness, … [Read more...]
Lennox XP25 Heat Pump Error Code 455: Outdoor Fan Speed Deviation Detected
You're experiencing error code 455 on your Lennox XP25 heat pump, indicating an outdoor fan speed deviation. This issue affects the system's performance and efficiency. You'll need to check the fan … [Read more...]
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